include/wx/motif/private.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        private.h
   3 // Purpose:     Private declarations for wxMotif port
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PRIVATE_H_
  13 #define _WX_PRIVATE_H_
  14
  15 #include "wx/defs.h"
  16 #include "X11/Xlib.h"
  17
  18 class WXDLLEXPORT wxFont;
  19 class WXDLLEXPORT wxWindow;
  20 class WXDLLEXPORT wxSize;
  21
  22 #include "wx/x11/privx.h"
  23
  24 // Put any private declarations here: native Motif types may be used because
  25 // this header is included after Xm/Xm.h
  26
  27 // ----------------------------------------------------------------------------
  28 // convenience macros
  29 // ----------------------------------------------------------------------------
  30
  31 #define wxCHECK_MOTIF_VERSION( major, minor ) \
  32   ( XmVersion >= (major) * 1000 + (minor) )
  33
  34 #define wxCHECK_LESSTIF_VERSION( major, minor ) \
  35   ( LesstifVersion >= (major) * 1000 + (minor) )
  36
  37 #define wxCHECK_LESSTIF() ( defined(LesstifVersion) && LesstifVersion > 0 )
  38
  39 // ----------------------------------------------------------------------------
  40 // common callbacks
  41 // ----------------------------------------------------------------------------
  42
  43 // All widgets should have this as their resize proc.
  44 extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event,
  45                                String args[], int *num_args);
  46
  47 // For repainting arbitrary windows
  48 void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data),
  49                             XEvent *event, char *);
  50
  51 // ----------------------------------------------------------------------------
  52 // we maintain a hash table which contains the mapping from Widget to wxWindow
  53 // corresponding to the window for this widget
  54 // ----------------------------------------------------------------------------
  55
  56 extern void wxDeleteWindowFromTable(Widget w);
  57 extern wxWindow *wxGetWindowFromTable(Widget w);
  58 extern bool wxAddWindowToTable(Widget w, wxWindow *win);
  59
  60 // ----------------------------------------------------------------------------
  61 // key events related functions
  62 // ----------------------------------------------------------------------------
  63
  64 extern char wxFindMnemonic(const char* s);
  65
  66 extern char * wxFindAccelerator (const char *s);
  67 extern XmString wxFindAcceleratorText (const char *s);
  68
  69 // ----------------------------------------------------------------------------
  70 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
  71 // ----------------------------------------------------------------------------
  72
  73 extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
  74                                   Widget widget, XEvent *xevent);
  75 extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
  76                                 Widget widget, XEvent *xevent);
  77
  78 extern void wxDoChangeForegroundColour(WXWidget widget,
  79                                        wxColour& foregroundColour);
  80 extern void wxDoChangeBackgroundColour(WXWidget widget,
  81                                        wxColour& backgroundColour,
  82                                        bool changeArmColour = FALSE);
  83 extern void wxDoChangeFont(WXWidget widget, wxFont& font);
  84
  85 #define wxNO_COLORS   0x00
  86 #define wxBACK_COLORS 0x01
  87 #define wxFORE_COLORS 0x02
  88
  89 extern XColor itemColors[5] ;
  90
  91 #define wxBACK_INDEX 0
  92 #define wxFORE_INDEX 1
  93 #define wxSELE_INDEX 2
  94 #define wxTOPS_INDEX 3
  95 #define wxBOTS_INDEX 4
  96
  97 // ----------------------------------------------------------------------------
  98 // utility classes
  99 // ----------------------------------------------------------------------------
 100
 101 wxString wxXmStringToString( const XmString& xmString );
 102 XmString wxStringToXmString( const wxString& string );
 103 XmString wxStringToXmString( const char* string );
 104
 105 // XmString made easy to use in wxWindows (and has an added benefit of
 106 // cleaning up automatically)
 107 class wxXmString
 108 {
 109 public:
 110     wxXmString(const char* str)
 111     {
 112         m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 113     }
 114
 115     wxXmString(const wxString& str)
 116     {
 117         m_string = XmStringCreateLtoR((char *)str.c_str(),
 118             XmSTRING_DEFAULT_CHARSET);
 119     }
 120
 121     // just to avoid calling XmStringFree()
 122     wxXmString(const XmString& string) { m_string = string; }
 123
 124     ~wxXmString() { XmStringFree(m_string); }
 125
 126     // semi-implicit conversion to XmString (shouldn't rely on implicit
 127     // conversion because many of Motif functions are macros)
 128     XmString operator()() const { return m_string; }
 129
 130 private:
 131     XmString m_string;
 132 };
 133
 134 // ----------------------------------------------------------------------------
 135 // Routines used in both wxTextCtrl/wxListBox and nativa wxComboBox
 136 // (defined in src/motif/listbox.cpp or src/motif/textctrl.cpp
 137 // ----------------------------------------------------------------------------
 138
 139 int wxDoFindStringInList( Widget listWidget, const wxString& str );
 140 int wxDoGetSelectionInList( Widget listWidget );
 141 wxString wxDoGetStringInList( Widget listWidget, int n );
 142 wxSize wxDoGetListBoxBestSize( Widget listWidget, const wxWindow* window );
 143
 144 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 145                                       const wxWindow* window );
 146
 147 // ----------------------------------------------------------------------------
 148 // executes one main loop iteration (implemented in src/motif/evtloop.cpp)
 149 // ----------------------------------------------------------------------------
 150
 151 class wxEventLoop;
 152
 153 // returns true if the loop should be exited
 154 bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
 155
 156 // ----------------------------------------------------------------------------
 157 // macros to avoid casting WXFOO to Foo all the time
 158 // ----------------------------------------------------------------------------
 159
 160 // argument is of type "wxWindow *"
 161 #define GetWidget(w)    ((Widget)(w)->GetHandle())
 162
 163 // ----------------------------------------------------------------------------
 164 // accessors for C modules
 165 // ----------------------------------------------------------------------------
 166
 167 extern "C" XtAppContext wxGetAppContext();
 168
 169 #endif
 170 // _WX_PRIVATE_H_